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Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) (USD $) In Thousands, except Share data	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Other comprehensive income, unrealized holding gains arising during the period, tax	$ 850	$ 110
Stock option exercises, shares	4,250	15,000
Dividend reinvestment plan, shares	0	74,721
Repurchased under share repurchase program, shares	81,378	129,878

Tax effect on gross appreciation or the gross loss in value of the total of unsold securities during the period being reported on.

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- Definition

Number of share options (or share units) exercised during the current period.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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